作业帮_______he_________(not konw) how_______(finish)_______(do) his homework?it's wrong for him__(copy)others' homework
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_______he_________(not konw) how_______(finish)_______(do) his homework?it's wrong for him__(copy)others' homework
_______he_________(not konw) how_______(finish)_______(do) his homework?it's wrong for him__(copy)
others' homework
_______he_________(not konw) how_______(finish)_______(do) his homework?it's wrong for him__(copy)others' homework
Doesn't he know how to finish doing his homework?
他不知道怎样完成自己的作业吗?
finish doing sth.完成某事
It's wrong for him to copy others' homework.
他抄袭别人的作业是不对的.
It's right/wrong for sb.to do sth 某人做某事时对/不对的.
Because
doesn't know
to finish
to copy
Doesn't he know how to finish his homework? It's wrong for him copying others' homework.
谢谢！
does not know to finish doing to copy
He brushes his teeth in the morning.(变为一般疑问句)_______he_________ _________ __________in the morning
_______he_________(not konw) how_______(finish)_______(do) his homework?it's wrong for him__(copy)others' homework
n
n
n
n
n^(n+1/n)/(n+1/n)^n
2^n/n*(n+1)
(n+1)^n-(n-1)^n=?
证明不等式：(1/n)^n+(2/n)^n+(3/n)^n+.+(n/n)^n
是否存在一个自然数n 使(n+n)+(n-n)+n*n+n/n=1991
请问怎么输出下面的图形,要用C语言设计一程序 n n n n n n n n n n n n n n n n
推导 n*n!=(n+1)!-n!
化简：(n+1)!/n!-n!/(n-1)!
(n-1)*n!+(n-1)!*n
根号（n+1)+n
有n(n
N是自然数 N